Three-dimensional intergal imaging display device and display system

Patent metadata

Field	Value
Publication number	US-2016105668-A1
Application number	US-201414416207-A
Country	US
Kind code	A1
Filing date	Oct 17, 2014
Priority date	Oct 9, 2014
Publication date	Apr 14, 2016
Grant date	—

Abstract

A three-dimensional integral imaging display device and a display system are provided, the three-dimensional integral imaging display device has: a two-dimensional liquid crystal display panel, a lens array, and an adjustment means, which is disposed between the two-dimensional liquid crystal display panel and the lens array, for increasing a depth of field of the three-dimensional integral imaging display device. The three-dimensional integral imaging display device can increase the depth of field of the display device.

First claim

What is claimed is:

1 . A three-dimensional integral imaging display device, comprising:
a two-dimensional liquid crystal display panel having an image display plane, comprising: a plurality of display element images, for displaying three-dimensional scene information from different angles, the display element image comprising a plurality of display pixels; a lens array for synthesizing the three-dimensional scene information displayed by the corresponding display element image to a three-dimensional image of the three-dimensional scene, wherein each lens of the lens array corresponds to each of the display element images, the image display plane is disposed and parallel to a first plane, the image display plane and the first surface have a predetermined distance therebetween, the first plane is vertical to a main optical axis of a lens of the lens array and passes through a plane of an optical center of the lens, the lens array has a light incident side near a side of the two-dimensional liquid crystal display panel, the display element image is projected onto the light incident side of the lens array, so as to form a light spot; and an adjustment means, disposed between the two-dimensional liquid crystal display panel and the lens array, for increasing a depth of field of the three-dimensional integral imaging display device by reducing a size of the light spot; wherein the adjustment means is a vertical grating, which has a plurality of holes on a cross-section parallel to the image display plane, the hole of the vertical grating has a predetermined depth on a cross-section vertical to the image display plane, each hole corresponds to each one of the display pixels, a size of each hole is less than or equal to a size of the display pixel.

2 . The three-dimensional integral imaging display device as claimed in claim 1 , wherein the size of each hole is equal to the size of the display pixel, and an edge of each hole is aligned with an edge of the display pixel.

3 . The three-dimensional integral imaging display device as claimed in claim 1 , wherein the predetermined depth is less than or equal to the predetermined distance.

4 . The three-dimensional integral imaging display device as claimed in claim 1 , wherein a surface of the vertical grating is coated with a light-reflecting layer.

5 . The three-dimensional integral imaging display device as claimed in claim 1 , wherein the three-dimensional integrated image display device further comprises a backlight module for providing backlight, the backlight module is a directional back light module.

6 . A three-dimensional integral imaging display device, comprising:
a two-dimensional liquid crystal display panel having an image display plane, comprising: a plurality of display element images, for displaying three-dimensional scene information from different angles, the display element image comprising a plurality of display pixels; a lens array for synthesizing the three-dimensional scene information displayed by the corresponding display element image to a three-dimensional image of the three-dimensional scene, wherein each lens of the lens array corresponds to each of the display element images, the image display plane is disposed and parallel to a first plane, the image display plane and the first surface have a predetermined distance therebetween, the first plane is vertical to a main optical axis of a lens of the lens array and passes through a plane of an optical center of the lens, and an adjustment means, disposed between the two-dimensional liquid crystal display panel and the lens array, for increasing a depth of field of the three-dimensional integral imaging display device.

7 . The three-dimensional integral imaging display device as claimed in claim 6 , wherein the lens array has a light incident side near a side of the two-dimensional liquid crystal display panel, the display element image is projected onto the light incident side of the lens array, so as to form a light spot, the adjustment means increases the depth of field of the three-dimensional integral imaging display device by reducing a size of the light spot.

8 . The three-dimensional integral imaging display device as claimed in claim 6 , wherein the adjustment means is a vertical grating, which has a plurality of holes on a cross-section parallel to the image display plane, the holes of the vertical grating have a predetermined depth on a cross-section vertical to the image display plane, each hole corresponds to each one of the display pixels, a size of each hole is less than or equal to a size of the display pixel.

9 . The three-dimensional integral imaging display device as claimed in claim 8 , wherein the size of each hole is equal to the size of the display pixel, and an edge of each hole is aligned with an edge of the display pixel.

10 . The three-dimensional integral imaging display device as claimed in claim 8 , wherein the predetermined depth is less than or equal to the predetermined distance.

11 . The three-dimensional integral imaging display device as claimed in claim 8 , wherein a surface of the vertical grating is coated with a light-reflecting layer.

12 . The three-dimensional integral imaging display device as claimed in claim 6 , wherein the three-dimensional integrated image display device further comprises a backlight module for providing backlight, the backlight module is a directional back light module.

13 . A three-dimensional integral imaging display system, comprising:
a three-dimensional integral imaging acquisition device, comprising:
an image acquisition sensor, including a plurality of acquisition units for gathering three-dimensional scene information from different angles; and
a collecting lens array for converting a three-dimensional image of a three-dimensional scene into the three-dimensional scene information from different angles; and
a three-dimensional integral imaging display device, comprising:
a two-dimensional liquid crystal display panel having an image display plane, comprising: a plurality of display element images, for displaying three-dimensional scene information from different angles, the display element image comprising a plurality of display pixels;
a lens array for synthesizing the three-dimensional scene information displayed by the corresponding display element image to a three-dimensional image of the three-dimensional scene, wherein each lens of the lens array corresponds to each of the display element images, the image display plane is disposed and parallel to a first plane, the image display plane and the first surface have a predetermined distance therebetween, the first plane is vertical to a main optical axis of a lens of the lens array and passes through a plane of an optical center of the lens; and
an adjustment means, disposed between the two-dimensional liquid crystal display panel and the lens array, for increasing a depth of field of the three-dimensional integral imaging display device.

14 . The three-dimensional integral imaging display system as claimed in claim 13 , wherein the lens array has a light incident side near a side of the two-dimensional liquid crystal display panel, the display element image is projected onto the light incident side of the lens array, so as to form a light spot, the adjustment means increases the depth of field of the three-dimensional integral imaging display device by reducing a size of the light spot.

15 . The three-dimensional integral imaging display system as claimed in claim 13 , wherein the adjustment means is a vertical grating, which has a plurality of hole

Assignees

• Shenzhen China Star Optoelect

Inventors

• Fang Bin

Classifications

• G02B30/40

  giving the observer of a single two-dimensional [2D] image a perception of depth · CPC title

• G02F1/133526

  Lenses, e.g. microlenses or Fresnel lenses · CPC title

• H04N13/307

  using fly-eye lenses, e.g. arrangements of circular lenses · CPC title

• G02F1/133602

  Direct backlight · CPC title

• H04N13/128

  Adjusting depth or disparity · CPC title